Putting deodorants and antiperspirants to the test.

Conclusion: If you're looking for a product that is going to let you sweat through a shirt everywhere but under your arms, then Secret Platinum is the best of the bunch. But I was impressed by how well the Crystal held up. It is made of mineral salts that prevent bacteria from growing. Low-tech, yes, but you also have no concern that in five years there will be an FDA warning about it. If you already have attachment to a favorite brand, I suggest trying out the clear variety. Not only are they supposed to stain clothing less (companies claim they won't create the yellow underarm stains regular antiperspirants cause), but they work better. As for me, I'm going to keep a variety around. The Crystal Stick for sitting around at home, and the uncanny pore-blocking Secret for my public speaking moments.